Permanent modular
Three-dimensional building sections, produced in a factory and installed on permanent foundations.
Factory-built housing and commercial structures · applicable state and local codesA different way
to build.
Permanent modular construction brings factory production and site work together. The value comes from planning the whole delivery process.
FACTORY PRECISION. ON-SITE COORDINATION.THE MODULAR PROCESSTwo tracks.
Two tracks.
One coordinated plan.
Permanent modular construction moves much of the building work into a controlled factory environment while foundations and utilities progress on site.
The result is an opportunity to reduce sequential work, improve consistency, and use construction time more efficiently.
Explore the construction comparison ↓Permanent buildings on permanent foundations, subject to applicable state and local building codes.
SEE THE DIFFERENCEWatch real construction ↓
Same building.
Same start date.
Conventional construction on the left. Modular construction on the right, with the factory and site moving together. Choose a step to explore the process.
Loading the construction comparison…
ConventionalBuilt on siteComplete
Modular · siteFoundation and factory start togetherComplete
Modular · factory
Transport
Illustrative sequence adapted from Homepedia. Relative progress is shown; actual schedules and completion requirements depend on the project.
THE METHOD BEHIND THE BUILDINGWatch the process ↓
A different way to build.
A permanent place to live.
Modular describes how a building is delivered. Complete sections are built off site, transported to a prepared foundation, and connected into a finished building.
Panelized construction
Walls, floors, or roof panels are made off site. More of the building is assembled at the project location.
Prefabricated components · on-site assemblyManufactured housing
Homes built to the federal HUD standards follow a different regulatory framework from permanent modular buildings.
Federal HUD code · separate requirementsWASHINGTON / APPROVALSTwo review tracks.
Two review tracks.
Coordination from day one.
Factory-built work and site work have different review responsibilities. Aligning both early can allow work to progress in parallel.
Washington L&I guidance ↗The building modules
Factory-built plans, construction, inspections, and the required state approval insignia.
The place they connect
Land use, site and foundation plans, utilities, installation, and applicable local approvals.
Parallel progress
Factory production can run alongside foundations and utilities, reducing work that must happen one step at a time.
Controlled production
Indoor work helps protect materials from weather and supports consistent production and quality checks.
Repeatable execution
Coordinated designs, factory workflows, and installation plans give the team a more repeatable delivery process.
Thoughtful material use
Planned purchasing and repeatable cutting can help reduce offcuts and improve the use of construction materials.
The opportunity depends on the project. Factory capacity, design, transport, crane access, financing, and local approvals all shape cost and schedule.
WATCH / MODULAR IN PRACTICEMore from Wei Li ↗
From the factory floor
to the front door.
See the production process, look inside a modular home, and explore the decisions behind delivery with Wei Li and Homepedia.
THE PRODUCTION PROCESSConstruction,
Construction,
inside the factory.
Watch the production footage featured on Homepedia’s modular construction site.
Explore the Homepedia reference ↗PROJECT WALKTHROUGH · MANDARIN
Inside a modular home
A closer look at what a home built from modules looks like.
Watch on YouTube ↗ 20 minDELIVERY & COST · MANDARIN
The costs behind modular delivery
A discussion of costs that can be overlooked when evaluating a modular project.
Watch on YouTube ↗ 50 minROUNDTABLE · MANDARIN
A conversation about modular housing
Wei Li joins a May 2026 real estate roundtable on the direction of modular homebuilding.
Watch on YouTube ↗ 74 minVideos are presented by Homepedia and its collaborators. Commentary reflects the speakers’ views at the time of recording; project examples and outcomes vary. YouTube players load when you choose a video. Captions and translations depend on availability on YouTube.
THE DISCIPLINE BEHIND THE METHODA construction method.
Explore our philosophy ↗